body {
  height: 1100px;
}

.content {
  background-image:url("../img/index/intro-bg.jpg");
  background-size:100% 100%;
  background-attachment : fixed;
  height: 1280px;
  padding: 100px 80px;
}

.content-inner-task:after{
    content: "";
    border-top: 20px solid #fff;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    position: absolute;
    bottom: -20px;
    left: 43%;
}

.taskBeChoose{
	transform: scale(1.1);
    zoom: 1;
}

.import-hide{
	display: none;
}